EDIT

package eu.etaxonomy.cdm.vaadin.view;

import com.vaadin.annotations.AutoGenerated;

import com.vaadin.navigator.View;

import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;

import com.vaadin.ui.Alignment;

	public NaviTestView() {

		buildMainLayout();

		setCompositionRoot(mainLayout);		

		button.addClickListener(new ClickListener() {

			@Override

			}

		});

	}

	public void setText(String text) {

		// common part: create layout

		panel = new Panel();

		panel.setImmediate(false);

		// panelVLayout

		panelVLayout = buildPanelVLayout();

		// common part: create layout

		panelVLayout = new VerticalLayout();

		panelVLayout.setImmediate(false);

		// textArea

		textArea = new TextArea();